There are soo beautiful stamps, why not make a little piece of jewelry from them?
One way is the already presented lamination, another the beading of stamps.
And with a little more thought I will get other ideas as well ;-))
Links:
Beaded Stamp Pins (Bev’s Freeform Postage Stamp Pins)
Here at unikatissima:
Laminated Stamps Necklace